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Chistochina River Placers

Producer in Alaska, United States with commodities Gold, Platinum, Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10107518
MRDS ID A011779
Record type Site
Current site name Chistochina River Placers
Alternate or previous names Limestone Creek, Bedrock Creek, Kramer Creek, Ptormigan Creek, Russian John Creek
Related records 10282847

Geographic coordinates

Geographic coordinates: -144.64712, 63.13579 (WGS84)

Site location context

Political divisions (FIPS codes)

Southeast Fairbanks(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Hayes A-2(quadrangle 1:63,360 scale)

Mount Hayes SE(quadrangle 1:100,000 scale)

Mount Hayes(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Copper River(hydrologic unit)

Copper River(hydrologic accounting unit)

South Central Alaska(hydrologic subregion)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • LOCATION GIVEN FOR BENCH N OF LIMESTONE CREEK; SITE OF MOST MINING LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary
Copper Tertiary

Comments on the commodity information

  • PT RECOVERED IN RATIO OF 1:100 TO AU PRODUCTION; 2-3 LB CU NUGGETS FOUND

Materials information

Materials Type of material
Gold Ore
Platinum Ore
Chromite Gangue
Galena Gangue
Garnet Gangue
Pyrite Gangue
Silver Gangue
Copper Unknown

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -144.64712, 63.13579
ListMap

Economic information

Comments on the geologic information

  • MAJOR.UNITS: BEDROCK LIMESTONE AND VOLCANIC ROCKS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Chistochina

Land status

Ownership category State

Comments on the workings information

  • MUCH DEVELOPMENT IN CONNECTION WITH INSTALLATION OF HYDRAULIC MINING EQUIPMENT IN 1940'S

Comments on development

  • WORKED INTERMITTENTLY SINCE ABOUT 1907; CONSIDERABLE DEVELOPMENT WORK AND DRILLING DONE IN 1940'S IN PREPARATION FOR LARGE-SCALE HYDRAULIC MINING, ABANDONED AT BEGINNING OF WW2

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit MOST MINING WAS IN BENCH DEPOSIT W OF LIMESTONE CREEK, 30 TO 40 FT THICK; DRILLING HAS SHOWN THAT GRAVELS IN THE HEADWATER REGION OF THE MIDDLE FORK REACH 70 FT IN DEPTH; BENCHES ARE GLACIALLY DERIVED
Deposit INDEFINITE NUMBER OF UNPATENTED CLAIMS ON BEDROCK, LIMESTONE, KRAMER, PTARMIGAN AND RUSSIAN JOHN CREEKS; LIMESTONE CREEK WAS ONLY SIGNIFICANT DEPOSIT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1985 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.